Obelia is a genus of hydrozoans, a class of mainly marine and some freshwater animal species that have both polyp and medusa stages in their life cycle.

Obelia, genus of invertebrate marine animals of the class Hydrozoa (phylum Cnidaria). The genus, widely distributed in all the oceans, is represented by many species.

Jul 22, 2025 · Obelia is a genus of small, colonial marine animals that belong to the phylum Cnidaria, a diverse group that includes jellyfish and sea anemones. These organisms are …

Obelia is sedentary, marine colonial form found attached on the surface of sea weeds, molluscan shells, rocks and wooden piles in shallow water up to 80 metres in depth.

Aug 21, 2025 · Obelia are diploblastic, primitive organisms with a unique life cycle in the Animal Kingdom. The Obelia life cycle alternates between two phases, each having a different …

Obelia occurs as a delicate whitish or light brown, almost fur-like growth on seaweeds or timber. It consists of branched filaments approxi­mately the thickness of fine sewing cotton.

In this article, we will get some common information about obelias like their class, order, etc., along with details on obelia colony, obelia medusa, and other information related to its life cycle.

Jun 8, 2022 · The hydroid colony of Obelia is delicate, semi-transparent, and whitish to light brown in color. It consists of vertical branching stems called hydrocauli, and root-like stems …

Obeliais a genus of hydrozoans, a class of mainly marine and some freshwater animal species that have both polyp and medusa stages in their life cycle. Hydrozoa belongs to the phylum …

Mar 21, 2024 · Obelia is a marine colonial form found clinging to seaweed, mollusk shells, rocks, and timber piles in shallow water up to 80 metres deep. The international spread of Obelia, …